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MAJJ
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Snow storm, stuck inside and bored. I guess I'm spending my day on Gt-rlife. I downloaded this app that Flash told me about on iTunes (decibel 10th) curious to see what everyone else decibel readings are on cold start and idle. Please post the exhaust setup. I'm sure this app is not as accurate but whatever :D

Here's my cold start reading indoors (Approx 45 F) with: Alpha 90mm catless downpipes, COBB catted midpipe, and HKS Legamax.




 

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I dont know how accurate it is either but if everyone is using the same app at approximately the same distance then we should all be able to compare.
 
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